.container {
    width: 600px;
    margin: 20px auto;
    text-align: center;
}

.logout-container {
    position: relative;
    height: 40px;    
}
#logout {
    position: absolute;
    right: 0;
    top: 0;
    margin-right: 100px;
    margin-top: 20px;
}